routes.rb

MM_ITEMS.each do |item_type|
    scope "#{item_type.to_s.pluralize}" do
      # index items of item_type
      match "/" => "items/#{item_type.to_s.pluralize}#index", :as => "#{item_type.to_s.pluralize}"
      # show item
      match ":title/:id" => "items/#{item_type.to_s.pluralize}#show", :as => "#{item_type.to_s}"
      # shipping costs for item
      get ":title/:id/shipping_costs" => "items/#{item_type.to_s.pluralize}#shipping_costs", :as => "#{item_type.to_s}_shipping_costs"
      # question for item
      get ":title/:id/new_question" => "items/#{item_type.to_s.pluralize}#new_question", :as => "new_#{item_type.to_s}_question"
      post ":title/:id/new_question" => "items/#{item_type.to_s.pluralize}#create_question", :as => "create_#{item_type.to_s}_question"
      # phone call for item
      get ":title/:id/new_phone_call" => "items/#{item_type.to_s.pluralize}#new_phone_call", :as => "new_#{item_type.to_s}_phone_call"
      post ":title/:id/new_phone_call" => "items/#{item_type.to_s.pluralize}#create_phone_call", :as => "create_#{item_type.to_s}_phone_call"
    end
end